I would say wakes up as the phrase "come to" can mean waking up and "start" means beginning. So the phrase can mean starting to wake up, that's just my guess though.
An apposition is a relation between a word an a noun. Foe example "Rudolph red-nosed reindeer"
red-nosed is an apposition
Hope I helped!
It takes no courage to wield a gun because the person holding the weapon is not in danger
D. Simile because it uses the word “as”